Home / 91,278.27-125,954.96-50,991.17

Finding the Fourth Proportional to 91,278.27, 125,954.96 and 50,991.17

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Solution

The fourth proportional to 91,278.27, 125,954.96 and 50,991.17 is: 70,362.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,278.27 : 125,954.96 = 50,991.17 : x
  2. Step 2: Convert to fraction form
    91,278.27/125,954.96 = 50,991.17/x
  3. Step 3: Cross multiply
    91,278.27x = 125,954.96 × 50,991.17
  4. Step 4: Simplify right side
    91,278.27x = 6,422,589,892.97
  5. Step 5: Solve for x
    x = 6,422,589,892.97/91,278.27
  6. Step 6: Final answer
    x = 70,362.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.